Sounds like you are either colour blind or the lights in your PS3 are messed up, because that sounds exactly like the Yellow Light of Death, only white instead of yellow. Means you have to get it repaired, sorry.

Sounds like you are either colour blind or the lights in your PS3 are messed up, because that sounds exactly like the Yellow Light of Death, only white instead of yellow. Means you have to get it repaired, sorry.